/*
 *  BSD License
 *  -----------
 *
 *  Copyright (c) 2011, and Joe Pardue, All rights reserved.
 *
 *  Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions are met:
 *
 *  - Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer. 
 *   
 *  - Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution. 
 *   
 *  - Neither the name of Joe Pardue nor the names of 
 *    its contributors may be used to endorse or promote products derived from 
 *    this software without specific prior written permission. 
 *
 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 *  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 *  ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 *  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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 *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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 *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 *  POSSIBILITY OF SUCH DAMAGE.
 */
 
 // Some of this code may have elements taken from other code without attribution.
 // If this is the case it was due to oversight while debugging and I apologize.
 // If anyone has any reason to believe that any of this code violates other licenses
 // please contact me with details so that I may correct the situation. 

//#include "spi.h"
#include "c:\avrtoolbox\libavr\source\driver\spi\spi.h"

void spi0_init_master(void)
{
	PORTB |= (1<< MISO_HARDWARE_PIN) \
 			| (1<< MOSI_HARDWARE_PIN) \
 			| (1<< SCLK_HARDWARE_PIN) \
 			| (1<< SS_HARDWARE_PIN);

	//Set MOSI, SCK AND SS to outputs
	DDRB |= (1<< MOSI_HARDWARE_DDR) \
			| (1<< SCLK_HARDWARE_DDR) \
			| (1<< SS_HARDWARE_DDR);

	// Set Miso to input
	DDRB &= ~(1<<MISO_HARDWARE_DDR);


	//SPI double speed settings
	SPSR = (1<<SPI2X);                                      
	//Enable SPI in Master mode, mode 3, Fosc/2
	SPCR = (1<<SPE) | (1<<MSTR) | (1<<CPHA) | (1<<CPOL);	

}
